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Finding the Fourth Proportional to 447,368.88, 617,570.58 and 294,487.32

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Solution

The fourth proportional to 447,368.88, 617,570.58 and 294,487.32 is: 406,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,368.88 : 617,570.58 = 294,487.32 : x
  2. Step 2: Convert to fraction form
    447,368.88/617,570.58 = 294,487.32/x
  3. Step 3: Cross multiply
    447,368.88x = 617,570.58 × 294,487.32
  4. Step 4: Simplify right side
    447,368.88x = 181,866,705,015.05
  5. Step 5: Solve for x
    x = 181,866,705,015.05/447,368.88
  6. Step 6: Final answer
    x = 406,525.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.